X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Ffseeko.c;fp=lib%2Ffseeko.c;h=03a4d996b34327ecd4d1108dd39108f8dbd9e5c7;hb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;hp=f34b2b87a456d6efe13f08c8940867e51ede7489;hpb=c7e61475680fa226bd9b8bdd469cd66914e630f5;p=debian%2Fgzip diff --git a/lib/fseeko.c b/lib/fseeko.c index f34b2b8..03a4d99 100644 --- a/lib/fseeko.c +++ b/lib/fseeko.c @@ -1,7 +1,7 @@ /* -*- buffer-read-only: t -*- vi: set ro: */ /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ /* An fseeko() function that, together with fflush(), is POSIX compliant. - Copyright (C) 2007-2009 Free Software Foundation, Inc. + Copyright (C) 2007-2010 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -52,10 +52,10 @@ rpl_fseeko (FILE *fp, off_t offset, int whence) if ((fp->_flags & __SL64) == 0) { /* Cygwin 1.5.0 through 1.5.24 failed to open stdin in 64-bit - mode; but has an fseeko that requires 64-bit mode. */ + mode; but has an fseeko that requires 64-bit mode. */ FILE *tmp = fopen ("/dev/null", "r"); if (!tmp) - return -1; + return -1; fp->_flags |= __SL64; fp->_seek64 = tmp->_seek64; fclose (tmp); @@ -64,8 +64,8 @@ rpl_fseeko (FILE *fp, off_t offset, int whence) if (fp_->_p == fp_->_bf._base && fp_->_r == 0 && fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully buffered and not currently reading? */ - ? fp_->_bf._size - : 0) + ? fp_->_bf._size + : 0) && fp_ub._base == NULL) #elif defined __EMX__ /* emx+gcc */ if (fp->_ptr == fp->_buffer @@ -79,7 +79,7 @@ rpl_fseeko (FILE *fp, off_t offset, int whence) if (((fp->__modeflags & __FLAG_WRITING) == 0 || fp->__bufpos == fp->__bufstart) && ((fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) == 0 - || fp->__bufpos == fp->__bufread)) + || fp->__bufpos == fp->__bufread)) #elif defined __QNX__ /* QNX */ if ((fp->_Mode & 0x2000 /* _MWRITE */ ? fp->_Next == fp->_Buf : fp->_Next == fp->_Rend) && fp->_Rback == fp->_Back + sizeof (fp->_Back) @@ -94,25 +94,42 @@ rpl_fseeko (FILE *fp, off_t offset, int whence) #endif { /* We get here when an fflush() call immediately preceded this one. We - know there are no buffers. - POSIX requires us to modify the file descriptor's position. - But we cannot position beyond end of file here. */ + know there are no buffers. + POSIX requires us to modify the file descriptor's position. + But we cannot position beyond end of file here. */ off_t pos = - lseek (fileno (fp), - whence == SEEK_END && offset > 0 ? 0 : offset, - whence); + lseek (fileno (fp), + whence == SEEK_END && offset > 0 ? 0 : offset, + whence); if (pos == -1) - { + { #if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ - fp_->_flags &= ~__SOFF; + fp_->_flags &= ~__SOFF; #endif - return -1; - } + return -1; + } #if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ fp->_flags &= ~_IO_EOF_SEEN; #elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ +# if defined __CYGWIN__ + /* fp_->_offset is typed as an integer. */ fp_->_offset = pos; +# else + /* fp_->_offset is an fpos_t. */ + { + /* Use a union, since on NetBSD, the compilation flags + determine whether fpos_t is typedef'd to off_t or a struct + containing a single off_t member. */ + union + { + fpos_t f; + off_t o; + } u; + u.o = pos; + fp_->_offset = u.f; + } +# endif fp_->_flags |= __SOFF; fp_->_flags &= ~__SEOF; #elif defined __EMX__ /* emx+gcc */ @@ -124,9 +141,9 @@ rpl_fseeko (FILE *fp, off_t offset, int whence) fp->__eof = 0; #endif /* If we were not requested to position beyond end of file, we're - done. */ + done. */ if (!(whence == SEEK_END && offset > 0)) - return 0; + return 0; } return fseeko (fp, offset, whence); }